1396735047 has 24 divisors (see below), whose sum is σ = 2039431680. Its totient is φ = 921067200.

The previous prime is 1396735027. The next prime is 1396735057. The reversal of 1396735047 is 7405376931.

1396735047 is a `hidden beast` number, since 139 + 6 + 7 + 3 + 504 + 7 = 666.

It is not a de Polignac number, because 1396735047 - 2⁷ = 1396734919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1396734993 and 1396735011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396735027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128513 + ... + 1129749.

It is an arithmetic number, because the mean of its divisors is an integer number (84976320).

Almost surely, 2^1396735047 is an apocalyptic number.

1396735047 is a deficient number, since it is larger than the sum of its proper divisors (642696633).

1396735047 is a wasteful number, since it uses less digits than its factorization.

1396735047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 1396735047 is about 37372.9186310087. The cubic root of 1396735047 is about 1117.8186302197.

The spelling of 1396735047 in words is "one billion, three hundred ninety-six million, seven hundred thirty-five thousand, forty-seven".